About
A Century of Exellence
From the building stones the quarry originally produced to today's more diverse product line, Spencer Quarries Inc. has been delivering the highest quality materials for more than 100 years. Spencer Quarry and Commercial Asphalt continue that legacy today.
Who We Serve
City and county governments, DOTs, businesses, and individual customers trust SQI to provide the highest quality materials for every project and a high level of expertise with every interaction.
Counties & Cities
SQI is proud to offer our products and services to county and city governments in the area. They know they can rely on SQI's partnership.
DOT
We have decades of experience working on transportation projects, and the expertise we've built makes us ideal collaborators for these complex initiatives.
Businesses & Households
Even businesses and individuals taking on smaller projects can get what they need from SQI. With our breadth of knowledge and focus on customer care, we'll help you get the job done right.
Our Team
Meet the team leading Spencer Quarries Inc.
Todd Waldera
General Manager/Quarry SalesNeil Waldera
Commercial AsphaltDivision Manager
Ward Tuttle
Quarry Operation's ManagerRalph Wallace
Commercial AsphaltOperation's Manager
Brad James
Commercial AsphaltSuperintendent
Matt Tobin
Business DevelopmentLooking for work?
We're always looking to expand our crew. If you’re honest, respectful, and career-oriented, you’ll fit in on the Spencer Quarries Inc. team. We hire part-time and full-time employees at both Spencer Quarry and Commercial Asphalt.
See Open PositionsHistory
Spencer Quarry has operated near Spencer, SD, for more than a century and was incorporated as Spencer Quarries Inc. in 1944. The site originally produced building stones and now has an impressive, expanded product line, including railroad ballast, aggregates for concrete and asphalt, and rip rap.
In 1992, Spencer Quarries Inc. acquired Commercial Asphalt in Mitchell, SD. Commercial Asphalt itself was established in 1968 and has greatly expanded its service area and production capacity since then with additional plant sites and portable plants.
Spencer Quarries Inc. has always been a proud contributor to community initiatives, especially those benefiting youth.